I expect there is something really simple that I am missing here... but I am new to Stata and it is doing my head in that I can't display all categories of a categorical variable on a pie chart... I am really getting no where with this problem. I would really appreciate some help.
I tried exploring ways of storing the "counts" from my categorical variable values in another variable, such as a matrix which would allow me to store a "zero count" as a "0" value. In searching for a solution, I came accross -fulltab- (from SSC), however it doesn't seem to work (it just displays the following "program error: code follows on the same line as open brace").
Anyway, I am not even sure this is the best approach. Surely there is something more straight forward?
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Adam Collins
Sent: mercredi 25 novembre 2009 17:39
To: [email protected]
Subject: st: display all categories on pie chart for categorical variables (with some zero values)
Hello,
I have several categorical variables that each possess the same list of categories (value labels).
To enable easy comparison of the pie charts, I would like every category to exist on every chart (so that each category retains the same colour/settings/legend position etc on each chart).
The problem is that some of the variables contain zero occurrences of certain values (categories) and the standard 'over(varname)' option with -graph pie- excludes categories with no occurrences. I have tried the 'allcategories' option, but since it applies to the 'over()' variable, it does not help.
Does anyone have any ideas? (by the way, since this is for a specific set of categorical variables, it is fine if the categories are 'hard coded', then applied to each variable)
Thanks again for your help!
Adam
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